<template>
    <div>
        <!-- 面包屑导航 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>数据统计</el-breadcrumb-item>
            <el-breadcrumb-item>数据报表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 卡片视图 -->
        <el-card>
            <div id="main" style="width:720px;height:400px;"></div>
        </el-card>
    </div>
</template>

<script>
import echarts from 'echarts'
import _ from 'lodash'

export default {
    data() {
        return {
            // 需要合并的数据
            options: {
                title: {
                    text: '用户来源'
                },
                tooltip: {
                    trigger: 'axis',
                    axisPointer: {
                    type: 'cross',
                    label: {
                        backgroundColor: '#E9EEF3'
                    }
                }
                },
                grid: {
                    left: '3%',
                    right: '4%',
                    bottom: '3%',
                    containLabel: true
                },
                xAxis: [
                    {
                    boundaryGap: false
                    }
                ],
                yAxis: [
                    {
                    type: 'value'
                    }
                ]
            }
        }
    },
    methods: {

    },
    async mounted() {
        var myChart = echarts.init(document.getElementById('main'))

        const { data: result } = await this.$http.get('reports/type/1')
        if(result.meta.status !== 200) return this.$message('获取数据失败！')
        const res = _.merge(result.data, this.options)
        myChart.setOption(res)
    }
}
</script>

<style lang="less" scoped>

</style>
